Reflex Lab: Brain Speed Test
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About this app
How fast is your brain, really?
Reflex Lab packs 15 measurements of reaction time, memory, focus and motor precision into one app. A round takes 30 seconds to a minute. And instead of just throwing a number at you, it places that number on the human distribution curve — so you see your percentile and a rank from S+ down to D.
■ 15 tests
• Reaction Time — tap the moment the screen turns green
• Auditory Reaction — the screen never changes; react to sound alone
• Mind Clock — judge a target duration with no clock to help you
• Aim Trainer — hit targets fast and accurately
• Typing Speed — retype sentences against the clock (WPM)
• Number Memory — how many digits can you hold after one glance
• Sequence Memory — reproduce the order the tiles lit up in
• Visual Memory — remember every tile that flashed
• Chimp Test — can you out-remember a chimpanzee
• Verbal Memory — have you seen this word already this run
• N-Back Memory — a working-memory task: same tile as N steps back
• Color Trap — catch the clash between meaning and ink colour (Stroop)
• Impulse Control — tap on green, hold back on red (Go/No-Go)
• Instant Count — grasp the quantity at a glance, without counting
• Peripheral Vision — keep your eyes centred and name the direction
■ Not just a score — an interpretation
• Your position on the human distribution curve, with a top-% figure
• Ranks from S+ / S / A / B / C down to D
• An ability radar across Speed, Memory, Focus and Motor
• A combined brain score and its trend over time
• A weakness report built from your round-to-round spread
• Pick an age band and everything is recalculated against your peers
■ A reason to come back
• Daily Challenge — 5 tests chosen by the date, identical for everyone that day
• Streaks, and a freeze to rescue one when you miss a day
• 30 achievements
• Full Gauntlet — every test back to back, then one combined report
■ Built to be comfortable
• 10 languages: English, Korean, Japanese, Chinese, Spanish, Portuguese, French, German, Indonesian, Vietnamese
• Works offline — no sign-up, no login, no server
• Backup export and restore (JSON)
• Shareable result cards
• Dark and light themes, colour-blind mode, left-handed mode
• Personal targets per test
• A daily reminder at a time you choose
■ Privacy
Your records and settings stay on your device and are never sent to the developer. The app is free and ad-supported; Google AdMob runs in order to show those ads.
Contact: tk32189@naver.com
Reflex Lab packs 15 measurements of reaction time, memory, focus and motor precision into one app. A round takes 30 seconds to a minute. And instead of just throwing a number at you, it places that number on the human distribution curve — so you see your percentile and a rank from S+ down to D.
■ 15 tests
• Reaction Time — tap the moment the screen turns green
• Auditory Reaction — the screen never changes; react to sound alone
• Mind Clock — judge a target duration with no clock to help you
• Aim Trainer — hit targets fast and accurately
• Typing Speed — retype sentences against the clock (WPM)
• Number Memory — how many digits can you hold after one glance
• Sequence Memory — reproduce the order the tiles lit up in
• Visual Memory — remember every tile that flashed
• Chimp Test — can you out-remember a chimpanzee
• Verbal Memory — have you seen this word already this run
• N-Back Memory — a working-memory task: same tile as N steps back
• Color Trap — catch the clash between meaning and ink colour (Stroop)
• Impulse Control — tap on green, hold back on red (Go/No-Go)
• Instant Count — grasp the quantity at a glance, without counting
• Peripheral Vision — keep your eyes centred and name the direction
■ Not just a score — an interpretation
• Your position on the human distribution curve, with a top-% figure
• Ranks from S+ / S / A / B / C down to D
• An ability radar across Speed, Memory, Focus and Motor
• A combined brain score and its trend over time
• A weakness report built from your round-to-round spread
• Pick an age band and everything is recalculated against your peers
■ A reason to come back
• Daily Challenge — 5 tests chosen by the date, identical for everyone that day
• Streaks, and a freeze to rescue one when you miss a day
• 30 achievements
• Full Gauntlet — every test back to back, then one combined report
■ Built to be comfortable
• 10 languages: English, Korean, Japanese, Chinese, Spanish, Portuguese, French, German, Indonesian, Vietnamese
• Works offline — no sign-up, no login, no server
• Backup export and restore (JSON)
• Shareable result cards
• Dark and light themes, colour-blind mode, left-handed mode
• Personal targets per test
• A daily reminder at a time you choose
■ Privacy
Your records and settings stay on your device and are never sent to the developer. The app is free and ad-supported; Google AdMob runs in order to show those ads.
Contact: tk32189@naver.com
15 brain & reaction tests. See where you rank among humans, in percentiles.
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
What’s new
Now in 10 languages, with a fresh new look. 🌏
• English, 한국어, 日本語, 中文, Español, Português, Français, Deutsch, Indonesia, Việt
• Pick your language on first launch; change it anytime in Settings
• Typing Speed and Verbal Memory now use per-language sentences and words
• Redesigned throughout: crisp vector icons, stronger contrast, steadier numbers
• Fixed: all sound effects were silent, including the Auditory Reaction cue
• Added privacy policy, open-source licences and version history
• English, 한국어, 日本語, 中文, Español, Português, Français, Deutsch, Indonesia, Việt
• Pick your language on first launch; change it anytime in Settings
• Typing Speed and Verbal Memory now use per-language sentences and words
• Redesigned throughout: crisp vector icons, stronger contrast, steadier numbers
• Fixed: all sound effects were silent, including the Auditory Reaction cue
• Added privacy policy, open-source licences and version history
